Excluding certain e-mails in the History

I have Act 2009 configured to automatically attach e-mails to contact records for my Outlook 2007 messages. Works great...however... Is there a way to exclude certain contacts from automatically creating a history record? My concern is that I have an assistant who sometimes sends out non-business related items, that I really don't want to keep in my ACT! database. E-mails to friends, etc.